Practice Test
| 1. |  If 12.0 g of a gas at 2.5 atm dissolve in 1.0 L of water at 25°C, how much will dissolve in 1.0 L of water at STP? |
| a. | 0.21 g/L | ||||
| b. | 2.1 g/L | ||||
| c. | 4.8 g/L | ||||
| d. | 12.0 g/L | ||||
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| 2. | In a solution, the substance that does the dissolving is ____________. |
| a. | the solvent | ||||
| b. | the solute | ||||
| c. | saturated | ||||
| d. | miscible | ||||
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| 3. | Solutions can be mixtures of _______________. |
| a. | solids | ||||
| b. | liquids | ||||
| c. | gases | ||||
| d. | all of the above | ||||
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| 4. | In a glass of sugar water, which substance is the solute? |
| a. | water | ||||
| b. | sugar | ||||
| c. | glass | ||||
| d. | none of the above | ||||
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| 5. | The process of a solvent and a solute completely mixing and forming a solution is ________. |
| a. | solvation | ||||
| b. | salvation | ||||
| c. | crystallization | ||||
| d. | ionization | ||||
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| 6. | Which of the following will not increase the rate of solvation? |
| a. | agitating the mixture | ||||
| b. | increasing the surface area | ||||
| c. | increasing the temperature | ||||
| d. | formation of a precipitate | ||||
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| 7. | A solution is said to be ________ when more solute can be dissolved in the solvent at a given temperature. |
| a. | supersaturated | ||||
| b. | saturated | ||||
| c. | unsaturated | ||||
| d. | solvated | ||||
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| 8. | What is a common means of identifying a supersaturated solution? |
| a. | precipitation | ||||
| b. | dissolution | ||||
| c. | solvation | ||||
| d. | hydration | ||||
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